What Is a Zirconia Ceramic Flange?
A zirconia ceramic flange is a precision ceramic interface component used to connect, seal or support pipe assemblies, pump systems, valve structures and high-temperature process equipment. It is selected when metal, plastic or standard ceramic parts may suffer from corrosion, wear, deformation, contamination or edge damage under demanding operating conditions.
Key Advantages of Zirconia Ceramic Flange
Corrosion Resistance in Selected Chemical Media
Zirconia ceramic can be considered for flange interfaces exposed to acids, alkalis, brine, cleaning fluids or chemically aggressive process media. Final compatibility should be reviewed according to concentration, temperature, exposure time and sealing design.
Higher Toughness Than Many Brittle Ceramic Options
Yttria-stabilised zirconia offers higher fracture toughness than many conventional oxide ceramics, helping to reduce the risk of edge chipping during assembly when the flange geometry and bolt load are properly controlled.
Stable Sealing Face for Wear and Contamination Control
A dense zirconia surface helps reduce wear, corrosion scale and metal ion contamination risk in selected fluid-contact or process-contact assemblies.
Custom Geometry for Existing Pipe or Equipment Interfaces
The flange can be manufactured according to drawings with custom OD, ID, thickness, bolt hole layout, groove, step, chamfer and sealing face requirements.
Suitable for Engineering Review Projects
ADCERAX can review drawings, working medium, mating parts, gasket type and installation conditions before confirming the manufacturing route.
Technical Properties of Zirconia Ceramic Flange
Zirconia ceramic flanges are made from yttria-stabilized zirconia and provide high hardness, fracture toughness, chemical stability and electrical insulation for selected pipe, sealing and equipment interface applications. The values below are typical material reference data and should be reviewed together with drawing geometry, operating medium, temperature, pressure and gasket design.
| Property | Specification | Engineering Meaning |
|---|---|---|
| Material Composition | Y₂O₃-stabilized zirconia, ZrO₂ ≥ 94% | This material system provides improved toughness, wear resistance and dimensional stability compared with many standard oxide ceramics. |
| Density | 6.0 g/cm³ | High density helps support low porosity, stable sealing surfaces and reduced fluid penetration risk. |
| Flexural Strength | ≥ 900 MPa | High bending strength helps the flange resist mechanical stress when the geometry and bolt load are properly controlled. |
| Compressive Strength | ≥ 2000 MPa | Strong compressive resistance helps support sealing contact and fixture loading in rigid assemblies. |
| Fracture Toughness | 8–10 MPa·m¹/² | Higher toughness helps reduce edge chipping and fracture risk during assembly compared with more brittle ceramic materials. |
| Hardness | 1250 HV 0.5 | High hardness improves wear resistance in abrasive, sliding or fluid-contact interface conditions. |
| Thermal Conductivity | 2.5 W/m·K | Relatively low thermal conductivity helps reduce heat transfer through the flange interface in selected thermal systems. |
| Coefficient of Thermal Expansion | 10.5 × 10⁻⁶/K | This value should be reviewed against metal housings, gaskets and mating ceramic parts to reduce thermal mismatch stress. |
| Electrical Resistivity | ＞10¹² Ω·cm at room temperature | High resistivity allows the flange to provide electrical insulation in selected equipment interfaces. |
| Chemical Stability | Stable in pH 1–14 | Zirconia can be considered for many acidic or alkaline media, but final compatibility should still be checked by concentration, temperature and exposure time. |
| Mass Loss in H₂SO₄, 72h, 80°C | ＜0.05 mg/cm² | Low mass loss indicates good acid resistance under the stated test condition and supports use in selected corrosive environments. |
| Thermal Shock Resistance | ΔT ≥ 250°C | This helps the flange tolerate moderate temperature changes, but rapid thermal cycling should still be reviewed with the full assembly design. |
Specifications of Zirconia Ceramic Flange
| Zirconia Ceramic Flange | ||
| Item No. | Outer Diameter（mm) | Length（mm) |
| AT-YHG-FL1001 | Customize | |
Packaging of Zirconia Ceramic Flange
Zirconia Ceramic Flange is carefully packed using molded foam inserts to prevent vibration and impact during international transit. Each unit is double-boxed and sealed in moisture-resistant outer cartons before being secured in reinforced plywood crates. This multi-layer protection ensures product integrity from factory to end-user site.
